Premium Clamp - Three Finger with Bosshead, Clamp constructed of powder coated high grade zinc alloy, 3 finger vinyl coated clamp attached to swivel bosshead, Maximum clamp opening is 8.5 cm, Swivel between Clamp and Bosshead, Boss accommodates to 18 mm rod
Premium Clamp - Four Prong, Clamp constructed of powder coated steel, 4 Cork lined clamp prongs attached to aluminum rod. Maximum clamp opening is 10.5 cm, 14 cm Stainless Steel Connecting Rod
Premium Clamp - Three Prong with Bosshead, Vinyl Coated Extension Lab Clamp, 8.5 cm maximum clamp opening attached to High Strength Alloy swivel bosshead, Boss accommodates to 18 mm rod